db.getCollection("meal").insert( {
    _id: ObjectId("612cae6f2c43000023001282"),
    mouth: "12",
    name: "包年套餐",
    normalPrice: NumberInt("120"),
    salePrice: NumberInt("45"),
    type: NumberInt("1")
} );
db.getCollection("meal").insert( {
    _id: ObjectId("612caeab2c43000023001283"),
    mouth: 3,
    name: "季度套餐",
    normalPrice: NumberInt("54"),
    salePrice: NumberInt("18"),
    type: NumberInt("0")
} );
db.getCollection("meal").insert( {
    _id: ObjectId("612caec32c43000023001284"),
    mouth: 1,
    name: "包月套餐",
    normalPrice: NumberInt("14"),
    salePrice: NumberInt("8"),
    type: NumberInt("0")
} );
